虽然这两位年龄上只有几天之差，但他们好像属于完全不同年代的人。
While the two are only days apart in age they seem to belong to wholly different generations.
但对于二十世纪四十年代中期以后出生的人来说，一旦知道其牙釉质何时形成，还有第二项技术能提供其相当确切的年龄(精确到一年内)。
But for people born since the mid-1940s, there is a second technique that can deliver a fairly precise age (within about one year) of when a tooth's enamel was laid down.
上世纪80年代，老龄工人（55-64岁年龄段）的健康状况逐年好转，因此到了90年代，退休人员的身体状况也随之好转。
Older workers (aged 55-64) started getting healthier in the 1980s, and retirees followed suit in the 1990s.
过去20年，40岁至59岁的人群使基金管理业实现了惊人的增长，但在本世纪20年代的前半段，婴儿潮一代将整体超过工作年龄。
The 40-59 demographic has delivered extraordinary growth to the fund management industry in the last 20 years, but in the first part of the next decade boomers as a whole move beyond working age.
我们的目标是提供不同个性的空间来适合每个客户的需求，不管其年龄和年代，这使得餐厅有很多回头客。
Our goal to provide a space with many different personalities to accommodate the needs of every customers regardless of age and generations, lead to a restaurant with many returning customers.
上了一定年龄的人或许还记得这个国家种族冲突非常严重，分歧难以调和的年代。
People of a certain age sort of remember times of great racial conflict in this country, and divide that seemed pretty much impossible to bridge.
2010年人口普查显示上海年龄在20至50岁的单身女性超过50万，而在20世纪90年代初期，这个数字还不到10万。
The 2010 census shows Shanghai has more than 500, 000 single women aged between 20 and 50, a rise from fewer than 100, 000 in the early 1990s.
但是80年代以来，一连串差异就开始凸显出来，从妇女的生育年龄到居民的死亡年龄。
But since the 1980s they have diverged on a range of indicators, from the age at which women have children to the age at which residents die.
在上世纪90年代超过50%年龄在16到19岁的年轻人有工作。
转眼进入了20世纪70年代，航空公司开始对空姐的身体条件和年龄标准作出了严格规定。
Until well into the 1970s, airlines enforced strict physical and age standards on stewardesses.
今天90岁的人出生于上世纪二十年代，那时候现行的退休年龄就已经确定了。
Those aged 90 today were born in the 1920s, the decade the current state pension age was set.
在乡村地区，年龄在70-74岁的老年人自杀率同1990年代相比有所下降，但是仍比城市高。
In rural areas, the rate of suicides among the same age group fell compared with the 1990s, Mr. Jing said, but still remains far higher than the rate in urban areas.
国家养老金的受用年龄十年之后也会随之上升至67岁，在21世纪40年代中期达到68岁。
The state-pension age would then rise to 67 a decade later and reach 68 in the mid-2040s.
这一发现来自一个长期研究项目，研究人员对英国6014名公务员进行了调查，他们的年龄介于39岁至61岁之间，其中三分之二为男性。他们在上世纪90年代初调查研究开始时都拥有健康的心脏。
The findings came from a long-term research project into 6, 014 British civil servants aged 39-61, two-thirds of whom were men, who had healthy hearts at the start of the probe in the early 1990s.
大多数代际差异被严重夸大了——它们主要取决于年龄和成熟程度，而非出生在哪个年代。
Most generational differences are vastly exaggerated - they're driven primarily by age and maturity, not birth cohort.
在和年龄超过40岁的人聊天时不要批评苏联，他们成长于那个年代而且有可能是怀旧派。
Don't criticize Soviet Union when talking with people over 40. They grew up at those times and might be nostalgic.
同位素地质年代学是测量年龄，利率，和历史或行星的地质资料的一门科学，运用这些见解的过程和现象可以了解地球与行星科学系。
Geochronology is the science of measuring ages, rates, and histories of geologic or planetary materials, and using these insights to understand processes and phenomena in earth and planetary science.
全科医生需要对帮助协调照顾婴儿出生高峰年代，到2020年年龄在56到74之间，目前占人口四分之一的美国人。
The general practitioners are needed to help coordinate care for members of the baby-boom generation, now a quarter of the U. S. population, who will be aged 56 to 74 in 2020.
姑娘十五岁了，在那个年代，她便被认为到了可以出嫁的年龄。
When the girl was fifteen years old, she was considered in those days old enough to be married.
其实，关于企业生命体的研究始于上世纪70年代的“生命周期理论”以及以后的“企业年龄”、“企业寿命”和“企业核心能力”。
The study on firm life started from the "life time theory" in 1970s, then continued by "firm age" and "firm's core competence".
该地区育龄妇女的平均初婚年龄为20.58岁。不同省区、不同年代及妇女的文化水平等都会影响或改变初婚年龄。
The average age at first marriage was 20.58 years old, and ft is affected by different areas, periods , women' education and so on.
滑雪者大概是通过他最佳由年龄的三十，并且多数国际网球冠军到在他们的二十年代初期之内。
A skier is probably past his best by the age of thirty, and most international tennis champions are in their early twenties.
对于平均年龄40岁以下的读者而言，他们很难想象在大多数大城市的主流报纸上可以读到高质量的艺术评论的那一年代。
It is difficult to the point ofimpossibility for the average reader under theage of forty to imagine a time when high- quality arts criticism could be found in most big-citynewspapers.
就在十九世纪八十年代中期，美国各州法定结婚年龄的中间数是十岁。
As recently as the mid-1880s, the median legal age of consent in US states was 10.
而住房第一次被列为三大问题之首。43%的1980年代出生的人称，他们关心住房问题，比其他年龄组的人高出10%。
Housing, for the first time ranks as one of the top three concerns. 43 percent of those born in the 1980's say they are concerned over housing, 10 percent higher compared with other age groups.
而住房第一次被列为三大问题之首。43%的1980年代出生的人称，他们关心住房问题，比其他年龄组的人高出10%。
Housing, for the first time ranks as one of the top three concerns. 43 percent of those born in the 1980's say they are concerned over housing, 10 percent higher compared with other age groups.
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